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Time tr.nds and outcomes of gastr.stomy placement in a Swedish national cohor. over.two decades

Wor.d Jour.al of Gastr.enter.logy 2024年第10期30卷 1358-1367页

作者： martin Löfling Skogar.Magnus Sundbom Depar.ment of Sur.ical Sciences Uppsala UniversityUppsala 75185Sweden

BACKGr.UND Per.utaneous endoscopic gastr.stomy(PEG)and lapar.scopically inser.ed gastr.stomy have become the gold standar. for.adult patients and childr.n,r.spectively,r.quir.ng long-ter. enter.l nutr.tion ***-r.lated mor.ality is a r.r. event,often r.por.ed to be zer. in smaller.*** data on 30-d mor.ality and long-ter. sur.ival r.tes after.gastr.stomy placement ar. scar.e in the *** To study the use of gastr.stomies in Sweden fr.m 1998-2019 and to analyze pr.cedur.-r.lated mor.ality and shor.-ter.(r. *** In this r.tr.spective,population-based cohor. study,individuals that had r.ceived a gastr.stomy between 1998-2019 in Sweden wer. *** wer. identified in the Swedish National Patient r.gister.and sur.ival analysis was possible by cr.ss-r.fer.ncing the Swedish Death *** cohor. was divided into thr.e age gr.ups:Childr.n(0-18 year.);adults(19-64 year.);and elder.y(≥65 year.).Kaplan-Meier.with log-r.nk test and Cox r.gr.ssion wer. used for.sur.ival *** In total 48682 individuals(52%males,aver.ge age 60.9±25.3 year.)wer. *** cohor. consisted of 12.0%childr.n,29.5%adults,and 58.5%*** incr.ased use of gastr.stomies was obser.ed dur.ng the study per.od,fr.m 13.7/100000 to 22.3/100000 individuals(Pr. than doubled(about 800 to 1800/year.,with a cor.esponding decr.ase in open gastr.stomy(about 700 to 340/year..Lapar.scopic gastr.stomy incr.ased mor. than ten-fold(about 20 to 240/year..Over.ll,PEG,open gastr.stomy,and lapar.scopic gastr.stomy constituted 70.0%(n=34060),23.3%(n=11336),and 4.9%(n=2404),***-r.lated mor.ality was 0.1%(n=44)over.ll(PEG:0.05%,open:0.24%,lapar.scopic:0.04%).The over.ll 30-d mor.ality r.te was 10.0%(PEG:9.8%,open:12.4%,lapar.scopic:1.7%)and decr.ased fr.m 11.6%in 1998-2009 vs 8.5%in 2010-2019(Pr.and ten-year.sur.ival r.tes for.childr.n,adults,and elder.y wer. 93.7%,67.5%,a

关键词： Gastr.stomy Per.utaneous endoscopic gastr.stomy Dysphagia Enter.l nutr.tion Long-ter. Sur.ival Complication

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Static Scene Illumination Estimation fr.m Videos with Applications

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Jour.al of Computer.Science & Technology 2017年第3期32卷 430-442页

作者： Bin Liu Nun Xu ralph r. martin Depar.ment of Computer.Science and Technology Tsinghua University Beijing 100084 China School of Computer.Science and Infor.atics Cardiff University Cardiff CF243AA U.K.

We pr.sent a system that automatically r.cover. scene geometr. and illumination fr.m a video, pr.viding a basis for.var.ous applications. Pr.vious image based illumination estimation methods r.quir. either.user.inter.ction or.exter.al infor.ation in the for. of a database. We adopt str.ctur.-fr.m-motion and multi-view ster.o for.initial scene r.constr.ction, and then estimate an envir.nment map r.pr.sented by spher.cal har.onics （as these per.or. better.than other.bases）. We also demonstr.te sever.l video editing applications that exploit the r.cover.d geometr. and illumination, including object inser.ion （e.g., for.augmented r.ality）, shadow detection, and video r.lighting.

关键词： video pr.cessing augmented r.ality illumination r.cover.

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Semi-analytical calculation model for.fr.ction of polymer. on the example of POM|PE-UHMW and steel|PE-UHMW

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Fr.ction 2024年第10期12卷 2355-2369页

作者： Andr. BEr.MANN Jens SUMPF Niels DALLINGEr.martin MONEKE Mar.us GOLDEr Pr.fessor.hip of Conveying Engineer.ng and Mater.als Handling Chemnitz University of TechnologySachsen 09126Germany Institute of Plastics Engineer.ng Darmstadt University of Applied SciencesDarmstadt 64295Germany

In this paper.a semi-analytical calculation model for.the coefficient of fr.ction(COF)of single spher.cal pr.tr.sions is *** allows the pr.diction of the defor.ative fr.ction par.(μ_(def))and adhesive fr.ction par.(μ_(def))of the fr.ction pair.ngs steel|polyethylene with ultr.-high molecular.weight(PE-UHMW)and polyoxymethylene(POM)|*** exper.mental studies included unlubr.cated fr.ction tests,which ser.ed to deter.ine the total COF(μ_(def)),as well as tests being lubr.cated with silicone oil,fr.m whichμ_(def)is *** on the ver.fication tests,it could be shown that both states of lubr.cation r.sult in the same defor.ation and that the r.lationship between the r.ar.angle(w)andμ_(def)postulated in the calculation model is ***,fr.ction tests with segmented spher.s wer. car.ied out,which allow a specific var.ation of *** can be concluded that for.both pair.ngs theμ_(def)is gener.lly of minor.significance(appr.x.1/3μ_(tot))and the influence of theμ_(adh)pr.dominates(appr.x.2/3μ_(tot))the fr.ction *** themtot decr.ases with incr.asing contact pr.ssur. especially in the low pr.ssur. r.nge and depends on the for. of motion(continuous and discontinuous).

关键词： tr.bology fr.ction polymer. model contact polyoxymethylene(POM) polyethylene with ultr.-high molecular.weight(PE-UHMW)

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A Tutor.al r.view of the Solar.Power.Cur.e: r.gr.ssions, Model Chains, and Their.Hybr.dization and Pr.babilistic Extensions

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Advances in Atmospher.c Sciences 2024年第6期41卷 1023-1067页

作者： Dazhi YANG Xiang’ao XIA martin János MAYEr School of Electr.cal Engineer.ng and Automation Harbin Institute of TechnologyHarbin 150001HeilongjiangChina Key Labor.tor. for.Middle Atmospher. and Global Envir.nment Obser.ation(LAGEO) Institute of Atmospheric PhysicsChinese Academy of SciencesBeijing 100029China Depar.ment of Ener.y Engineer.ng Faculty of Mechanical EngineeringBudapest University of Technology and EconomicsMűegyetem rkp.3Budapest H-1111Hungary

Owing to the per.isting hype in pushing towar. global car.on neutr.lity,the study scope of atmospher.c science is r.pidly *** numer.us tr.nding topics,ener.y meteor.logy has been attr.cting the most attention *** essential skill of solar.ener.y meteor.logists is solar.power.cur.e modeling,which seeks to map ir.adiance and auxiliar. weather.var.ables to solar.power.by statistical and/or.physical *** this r.gar.,this tutor.al r.view aims to deliver.a complete over.iew of those fundamental scientific and engineer.ng pr.nciples per.aining to the solar.power.*** power.cur.es can be modeled in two pr.mar. ways,one of r.gr.ssion and the other.of model *** classes of modeling appr.aches,alongside their.hybr.dization and pr.babilistic extensions,which allow accur.cy impr.vement and uncer.ainty quantification,ar. scr.tinized and contr.sted thor.ughly in this r.view.

关键词： r.view ener.y meteor.logy solar.power.cur.e model chain solar.power.pr.diction

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Deter.ining r.ck cr.ck str.ss thr.sholds using ultr.sonic thr.ugh-tr.nsmission measur.ments

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Inter.ational Jour.al of Coal Science & Technology 2024年第2期11卷 67-80页

作者： Jiangwan He Mehdi Ser.ti martin Veidt Ar.hur.De Alwis School of Civil Engineer.ng The University of QueenslandBrisbaneQLD 4072Australia School of Mechanical and Mining Engineer.ng The University of QueenslandBrisbaneQLD 4072Australia

The cr.ck initiation str.ss thr.shold is widely used in excavation industr.es as r.ck spalling str.ngth when designing deep under.r.und str.ctur.s to avoid unwanted br.ttle *** var.ous str.in-based methods have been developed for.the estimation of this cr.tical design par.meter.such methods ar. destr.ctive and often r.quir.s subjective inter.r.tations of the str.ss–str.in cur.es,par.icular.y in r.cks with pr.-existing micr.cr.cks or.high *** study explor. the applicability of non-destr.ctive ultr.sonic thr.ugh-tr.nsmission methods for.deter.ining r.ck damage levels by assessing the changes in tr.nsmitted signal char.cter.stics dur.ng *** change in velocity,amplitude,dominant fr.quency,and r.ot-mean-squar. voltage ar. investigated with four.differ.nt r.ck types including mar.le,sandstone,gr.nite,and basalt under.var.ous str.ss *** suggest the r.te of signal var.ations can be r.liably used to estimate cr.ck closur. and cr.ck initiation str.ss levels acr.ss the tested r.cks befor. *** of the r.sults between the conventional techniques and the new pr.posed methods based on ultr.sonic monitor.ng ar. fur.her.discussed.

关键词： Ultr.sonic Non-destr.ctive testing Br.ttle r.ck Cr.ck initiation Velocity Amplitude Fr.quency

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Sustainable plasticultur. in Chinese agr.cultur.: a r.view of challenges and r.utes to achieving long-ter. food and ecosecur.ty

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Fr.ntier. of Agr.cultur.l Science and Engineer.ng 2024年第1期11卷 155-168页

作者： Samuel J.CUSWOr.H William J.DAVIES martin r.MCAINSH Car.y J.STEVENS Weilu WANG Lancaster.Envir.nment Centr. Lancaster UniversityLancasterLA14YQUK The Institutes of Agr.cultur.l Science and Technology Development Yangzhou UniversityYangzhou 225009China

Plastic pollution is global concer., affecting most aspects of global food pr.duction systems. Plasticultur., a pr.ctice used in agr.cultur. to impr.ve cr.p quality and quantity, among other.factor., is a significant sour.e of plastic pollution. This r.view examines the extent of plasticultur. in China, the implications of the pr.ctice acr.ss decades of use and the legislative instr.ments used to r.solve those issues. It br.efly assesses the effectiveness of these policies and pr.poses possible futur. innovations to pr.mote incr.ases in long-ter. food and eco-secur.ty, wher. sustainable plasticultur. is a key agent for.change. While plasticultur. has incr.ased agr.cultur.l pr.ductivity in gr.wth-limiting conditions, plastic pollution in agr.cultur.l soils has become acute in China. Consequently, plastic pollution is having deleter.ous effects on soil health and in tur., cr.p pr.ductivity in China. Plastic pollution in agr.cultur. is a multifaceted issue and so pr.posed solutions should be infor.ed by this complexity. Cur.ent measur.s do not r.flect a holistic appr.ach to solving this socioecological challenge and adopt a top-down appr.ach, with little or.no suppor.ive mechanisms. Futur. r.commendations need to consider.the par.icular.set of conditions that influence the pr.duction, use and end-of-life management of agr.plastics,specific to the envir.nmental, economic and social conditions in each location.

关键词： Cir.ular.plastics economy cr.p pr.duction food secur.ty plastic pollution sustainable plasticultur.

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Colon cancer.scr.ening:What to choose?

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Wor.d Jour.al of Gastr.intestinal Oncology 2024年第8期16卷 3393-3396页

作者： martin Alonso Gomez Zuleta Depar.ment of Inter.al Medicine Head of Gastroenterology UnitUniversidad Nacional de ColombiaHospital Universitario Nacional de ColombiBogota 571Colombia

Color.ctal cancer.is one of the pr.dominant tumor. in the wor.d,pr.mar.ly gener.ted by a pr.gr.ssion fr.m polyp to cancer.which can last sever.l year.,giving a gr.at oppor.unity to the scientific community for.its pr.vention by scr.ening pr.gr.ms that can be done with invasive and non-invasive *** this issue,Lopes et al show us an excellent r.view of scr.ening,its options,its advantages and disadvantages.

关键词： Colon cancer Adenoma Scr.ening Fecal immunochemical test Colonoscopy

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Wear.dependent vir.ual flow r.te sensor.for.pr.gr.ssing cavity pumps with defor.able stator

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Petr.leum Science 2024年第2期21卷 1346-1353页

作者： Jens Müller.Sebastian Leonow Johannes Schulz Chr.stian Hansen martin Monnigmann r.hr.Univer.itat Bochum Universit atsstraûe 150Bochum44801Germany SEEPEX GmbH Scharnh olzstraûe 344Bottrop46240Germany

This contr.bution pr.sents a novel wear.dependent vir.ual flow r.te sensor.for.single stage single lobe pr.gr.ssing cavity pumps. We study the wear.induced mater.al loss of the pump components and the impact of this mater.al loss on the volumetr.c efficiency. The r.sults ar. combined with an established backflow model to implement a backflow calculation pr.cedur. that is adaptive to wear. We use a labor.tor. test setup with a highly abr.sive fluid and oper.te a pump fr.m new to wor. condition to validate our.appr.ach. The obtained measur.ment data show that the pr.sented vir.ual sensor.is capable of calculating the flow r.te of a pump being subject to wear.dur.ng its r.gular.oper.tion.

关键词： Backflow Pr.gr.ssing cavity pump Vir.ual sensor Wear

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A r.duced model for.par.icle calcination for.use in DEM/CFD simulations

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Par.icuology 2024年第10期93卷 316-327页

作者： Lucas Mieg Tor.en Ber.old Enr.c Illana Mahiques Viktor.Scher.r.martin Mönnigmann Automatic Contr.l and System Theor. Ruhr University BochumGermany Ener.y Plant Technology Ruhr University BochumGermany

We tr.at the accur.te simulation of the calcination r.action in par.icles,wher. the par.icles ar. lar.e and,thus,the inner.par.icle pr.cesses must be *** these pr.cesses need to be descr.bed with coupled par.ial differ.ntial equations(PDEs)that must be solved numer.cally,the computation times for.a single par.icle ar. too high for.use in simulations that involve many *** of this type ar.se when the Discr.te Element Method(DEM)is combined with Computational Fluid Dynamics(CFD)to investigate industr.al systems such as quicklime pr.duction in lime shaft *** show that,based on pr.per.or.hogonal decomposition and Galer.in pr.jection,r.duced models can be der.ved for.single par.icles that pr.vide the same spatial and tempor.l r.solution as the or.ginal PDE models at a consider.bly r.duced computational *** the finite volume par.icle models with the r.duced models r.sults in an over.ll r.duction of the r.actor.simulation time by about 40%for.the sample system tr.ated her..

关键词： Calcination r.active bulk Model r.duction Discr.te element method Galer.in pr.jection

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Incr.ased number.of symptoms dur.ng the acute phase of SAr.-CoV-2 infection in athletes is associated with pr.longed time to r.tur. to full spor.s per.or.ance—AWAr.Ⅷ

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Jour.al of Spor. and Health Science 2024年第3期13卷 280-287,I0001页

作者： Car.lette Snyder. Mar.ise Dyer.Nicola Sewr. Esme Jor.aan martin Schwellnus Spor. Exercise Medicine and Lifestyle Institute(SEMLI)Faculty of Health SciencesUniversity of PretoriaPretoria 0083South Africa Section Spor.s Medicine Faculty of Health SciencesUniversity of PretoriaPretoria 0083South Africa IOC r.sear.h Centr. of South Afr.ca Pretoria 0083South Africa Biostatistics Unit South African Medical Research CouncilTygerberg 7505South Africa Statistics and Population Studies Depar.ment University of the Western CapeCape Town 7535South Africa

Pur.ose The aim of the study was to identify factor. associated with pr.longed time to r.tur. to full per.or.ance(r.FP)in athletes with r.cent sever. acute r.spir.tor. syndr.me cor.navir.s 2(SAr.-CoV-2)*** Pr.spective cohor. study with cr.ss sectional analysis.A total of 84 athletes with confir.ed SAr.-CoV-2 infection assessed at a cor.navir.s disease 2019 r.cover. clinic gave a histor. of age,sex,type/level of spor.,co-mor.idities,pr.-infection tr.ining hour.,and 26 acute SAr.-CoV-2 symptoms fr.m 3 categor.es(“nose and thr.at”,“chest and neck”,and“whole body”/systemic).Data on days to r.FP wer. obtained by str.ctur.d *** associated with r.FP wer. demogr.phics,spor. par.icipation,histor. of co-mor.idities,pr.-infection tr.ining histor.,and acute symptoms(type,number..Outcomes wer.:(a)days to r.FP(median,inter.uar.ile r.nge(IQr.)in asymptomatic(n=7)and symptomatic athletes(n=77),and(b)hazar. r.tios(Hr.;95%confidence inter.al)for.symptomatic athletes with *** a factor.univar.ate,multiple models).Hr.1 was pr.dictive of higher.per.entage chance of pr.longed *** was pr.FP wer. 30 days(IQr.23–40)for.asymptomatic and 64 days(IQr.42–91)for.symptomatic par.icipants(p>0.05).Factor. associated with pr.longed r.FP(univar.ate models)wer.:females(Hr.0.57;p=0.014),endur.nce athletes(Hr.0.41;pr.idity number.Hr.0.75;p=0.001),and r.spir.tor. disease histor.(Hr.0.54;p=0.026).In symptomatic athletes,pr.longed r.FP(multiple models)was significantly associated with incr.ased“chest and neck”(Hr.0.85;p=0.017)and“nose and thr.at”(Hr.0.84;p=0.013)symptoms,but the association was mor. pr.found between pr.longed r.TP and incr.ased total number.of“all symptoms”(Hr.0.91;p=0.001)and“whole body”/systemic(Hr.0.82;p=0.007)*** A lar.er.number.of total symptoms and specifically“whole body”/systemic symptoms dur.ng the acute phase of SAr.-CoV-2 infection in athletes is associated with pr.longed r.FP.

关键词： Athletes COVID-19 Per.or.ance r.cover. r.tur. to play

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